EP3817281A4 - Signature verification method and system based on blockchain smart contract - Google Patents

Signature verification method and system based on blockchain smart contract Download PDF

Info

Publication number
EP3817281A4
EP3817281A4 EP19895281.4A EP19895281A EP3817281A4 EP 3817281 A4 EP3817281 A4 EP 3817281A4 EP 19895281 A EP19895281 A EP 19895281A EP 3817281 A4 EP3817281 A4 EP 3817281A4
Authority
EP
European Patent Office
Prior art keywords
system based
smart contract
verification method
signature verification
blockchain smart
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19895281.4A
Other languages
German (de)
French (fr)
Other versions
EP3817281A1 (en
Inventor
Guilu XIE
Zhiyuan ZHOU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced New Technologies Co Ltd
Original Assignee
Advanced New Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced New Technologies Co Ltd filed Critical Advanced New Technologies Co Ltd
Publication of EP3817281A1 publication Critical patent/EP3817281A1/en
Publication of EP3817281A4 publication Critical patent/EP3817281A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H04L9/3249—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using RSA or related signature schemes, e.g. Rabin scheme
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q2220/00—Business processing using cryptography

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Accounting & Taxation (AREA)
  • General Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • Strategic Management (AREA)
  • General Physics & Mathematics (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
EP19895281.4A 2018-12-12 2019-11-15 Signature verification method and system based on blockchain smart contract Pending EP3817281A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811519173.9A CN110048846B (en) 2018-12-12 2018-12-12 Signature verification method and system based on block chain intelligent contract
PCT/CN2019/118740 WO2020119380A1 (en) 2018-12-12 2019-11-15 Signature verification method and system based on blockchain smart contract

Publications (2)

Publication Number Publication Date
EP3817281A1 EP3817281A1 (en) 2021-05-05
EP3817281A4 true EP3817281A4 (en) 2021-12-08

Family

ID=67273658

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19895281.4A Pending EP3817281A4 (en) 2018-12-12 2019-11-15 Signature verification method and system based on blockchain smart contract

Country Status (6)

Country Link
US (1) US20210152369A1 (en)
EP (1) EP3817281A4 (en)
CN (1) CN110048846B (en)
SG (1) SG11202100901WA (en)
TW (1) TWI748244B (en)
WO (1) WO2020119380A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110048846B (en) * 2018-12-12 2020-04-14 阿里巴巴集团控股有限公司 Signature verification method and system based on block chain intelligent contract
CN110490601A (en) * 2019-09-10 2019-11-22 杭州秘猿科技有限公司 Method, the system, electronic equipment statelessly verified in trading pit
CN110602125B (en) * 2019-09-23 2021-04-13 腾讯科技（深圳）有限公司 Data processing method, device, terminal and storage medium
CN111414159B (en) * 2020-03-16 2023-07-25 北京艾鸥科技有限公司 Block chain virtual machine device, virtual machine creation method and transaction method
CN112906073A (en) * 2021-03-18 2021-06-04 上海能链众合科技有限公司 Method for realizing block chain secret calculation general model
CN113408259B (en) * 2021-06-09 2024-05-07 微易签(杭州)科技有限公司 Method, system, device and storage medium for filling in file based on blockchain
CN113609219A (en) * 2021-07-21 2021-11-05 微易签(杭州)科技有限公司 Method, system, device and storage medium for verifying file based on block chain
CN113628052A (en) * 2021-08-18 2021-11-09 杭州云象网络技术有限公司 Block chain asset and contract processing method, system and device based on prediction machine
CN113938491B (en) * 2021-09-02 2022-10-14 中国科学院信息工程研究所 Instruction data traceable tamper-proof method and system based on block chain technology

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9087200B2 (en) * 2009-12-22 2015-07-21 Intel Corporation Method and apparatus to provide secure application execution
CN107533501A (en) * 2015-03-20 2018-01-02 里维茨公司 Use block chain automated validation appliance integrality
WO2017090041A1 (en) * 2015-11-24 2017-06-01 Ben-Ari Adi A system and method for blockchain smart contract data privacy
CN106598579B (en) * 2016-12-06 2020-12-25 北京果仁宝科技有限公司 Method and apparatus for integrating dynamic type programming language on blockchain
CN107025559B (en) * 2017-01-26 2020-09-18 创新先进技术有限公司 Service processing method and device
CN107423565A (en) * 2017-07-26 2017-12-01 中山大学 A kind of medical rescue contract method based on intelligent contract technology
US11979490B2 (en) * 2017-10-24 2024-05-07 0Chain Corp. Non-fungible token blockchain processing
CN107844294B (en) * 2017-11-17 2020-05-19 杭州溪塔科技有限公司 High-availability contract execution method and system
CN108170449A (en) * 2017-12-27 2018-06-15 邵美 The upgrade method of core protocol in a kind of block catenary system
US11139955B1 (en) * 2018-02-12 2021-10-05 Winklevoss Ip, Llc Systems, methods, and program products for loaning digital assets and for depositing, holding and/or distributing collateral as a token in the form of digital assets on an underlying blockchain
US11334883B1 (en) * 2018-03-05 2022-05-17 Gemini Ip, Llc Systems, methods, and program products for modifying the supply, depositing, holding and/or distributing collateral as a stable value token in the form of digital assets
CN108833460B (en) * 2018-04-10 2021-05-25 平安科技（深圳）有限公司 Music release method and device based on block chain and terminal equipment
US12063309B2 (en) * 2018-04-26 2024-08-13 The Assay Depot, Inc. Decentralized data verification
CN108848058A (en) * 2018-05-07 2018-11-20 众安信息技术服务有限公司 Intelligent contract processing method and block catenary system
CN108765158B (en) * 2018-05-31 2020-11-24 杭州溪塔科技有限公司 Intelligent contract engine system based on block chain and contract execution method thereof
US20210319441A1 (en) * 2018-06-04 2021-10-14 Foogal, Inc. Utility token-based systems and methods
CN108833115B (en) * 2018-06-15 2021-01-26 中山大学 Multi-party fair PDF (Portable document Format) contract signing method based on block chain
CN108880803A (en) * 2018-07-12 2018-11-23 佛山伊苏巨森科技有限公司 A kind of method and system signed using digital signature to block chain affairs
CN108985073B (en) * 2018-07-18 2020-05-22 成都链安科技有限公司 Highly-automated intelligent contract formalized verification system and method
US10901955B2 (en) * 2018-07-29 2021-01-26 International Business Machines Corporation Smart contract input mapping
US10896149B2 (en) * 2018-07-29 2021-01-19 International Business Machines Corporation Composition operators for smart contract
US20200058023A1 (en) * 2018-08-14 2020-02-20 Grandata Inc. Decentralized Data Marketplace
US20220038264A1 (en) * 2018-09-22 2022-02-03 David YAKIRA Decentralized key generation and distribution over a blockchain-based network
US11405182B2 (en) * 2018-12-03 2022-08-02 Ebay Inc. Adaptive security for smart contracts using high granularity metrics
CN110048846B (en) * 2018-12-12 2020-04-14 阿里巴巴集团控股有限公司 Signature verification method and system based on block chain intelligent contract

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PREETHI KASIREDDY: "How does Ethereum work, anyway?. Introduction | by Preethi Kasireddy | Medium", 27 September 2017 (2017-09-27), pages 1 - 41, XP055855690, Retrieved from the Internet <URL:https://preethikasireddy.medium.com/how-does-ethereum-work-anyway-22d1df506369> [retrieved on 20211027] *

Also Published As

Publication number Publication date
TWI748244B (en) 2021-12-01
CN110048846A (en) 2019-07-23
SG11202100901WA (en) 2021-02-25
CN110048846B (en) 2020-04-14
WO2020119380A1 (en) 2020-06-18
US20210152369A1 (en) 2021-05-20
TW202022676A (en) 2020-06-16
EP3817281A1 (en) 2021-05-05

Similar Documents

Publication Publication Date Title
EP3905078A4 (en) Identity verification method and system therefor
EP3817281A4 (en) Signature verification method and system based on blockchain smart contract
EP3844637A4 (en) System and method for improved blockchain-implemented smart contract
EP3750086A4 (en) Transaction and identity verification system and method
EP3635937A4 (en) System and method for biometric identification
EP3850498A4 (en) Transaction authentication system and related methods
EP3574482B8 (en) Voting system and method
EP3545481A4 (en) System and method for improving security of smart contract on blockchain
EP3821385A4 (en) Methods and systems for biometric card enrollment
EP3780540A4 (en) Identity verification method and device and account information modification method and device
EP3709567A4 (en) Electronic signature authentication system on the basis of biometric information and electronic signature authentication method thereof
EP3929777A4 (en) Authentication system and authentication method
EP3857411A4 (en) System, devices, and methods for acquiring and verifying online information
EP3335143A4 (en) Biometric verification method and system
EP3862968A4 (en) Biometric authentication system, biometric authentication method, and program
EP3851971A4 (en) Verification system and verification server
EP3388963A4 (en) Handwritten signature authentication system and method based on time division segment block
EP3582435A4 (en) Biometric signing system and biometric signing method
EP3531320A4 (en) Authentication system based on variable biometric information, and authentication method using same
EP3779739A4 (en) Object verification method, device and system
EP3813003A4 (en) Data processing method and system based on blockchain smart contract
EP3706021A4 (en) Authentication system, authentication device, authentication method, and program
EP3723029A4 (en) Transaction management system and transaction management method
EP3593318A4 (en) System and method for biometric identification
EP3879753A4 (en) Identity verification method and device

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210126

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20211105

RIC1 Information provided on ipc code assigned before grant

Ipc: G06Q 30/06 20120101ALI20211029BHEP

Ipc: H04L 9/32 20060101AFI20211029BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230922